Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. lower the largest no the least lower the largest no the least ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as Ha = 2hL Ha = hL Ha= 5hL Ha = 0.8hL Ha = 2hL Ha = hL Ha= 5hL Ha = 0.8hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Prandtl & Grashoff Reynolds Both A & B Grashoff Prandtl & Grashoff Reynolds Both A & B Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. highly turbulent transition None of the listed here laminar highly turbulent transition None of the listed here laminar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A BTU/hr.ft.2 °F is equal to 4.88 kcal/hr. m.2°C None of these 1 kcal/hr. m²°C 1 kcal/hr. m².°K 4.88 kcal/hr. m.2°C None of these 1 kcal/hr. m²°C 1 kcal/hr. m².°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynolds analogy are same, when Prandtl number is 1.5 > 2 1 0.5 1.5 > 2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
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